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Question

A light ray passing through a spherical lens undergoes refractions.

A
two
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B
one
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C
four
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Solution

The correct option is A two
A spherical lens, either convex or concave, has two refracting surfaces: One where the light enters from the surrounding medium to the lens, and the other where light leaves the lens back into the surrounding medium. Hence, the light undergoes two refractions.

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